Different sex ratios at birth in Europe and North America - Maternal cytomegalovirus seropositivity affects sex determination
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Shields , MD , O'Hare , B , Nelson , J , Stewart , MC & Coyle , P 2002 , ' Different sex ratios at birth in Europe and North America - Maternal cytomegalovirus seropositivity affects sex determination ' British Medical Journal , vol. 325 , no. 7359 , pp. 335-335 . DOI: 10.1136/bmj.325.7359.334/a
British Medical Journal
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